$30.$ Open the Registration table in Design View and perform the following tasks:

a$.$ Enter a validation rule for the RegistrationFee field to ensure that values in the field are greater than or equal to $100.$

b$.$ Enter the text, Must be greater than or equal to $$100$ in the Validation Text property box.

Save the changes to the Registration table and close it$.($Hint: Because a validation rule was added, a warning message appears asking if you want to test the data. The data is valid, so ignore this message and continue saving the table.$)$